Question: What is the human with the highest Elo rating whose sport is chess?
Paraphrase: What human has the highest Elo rating in chess?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q5 . ?ent wdt:P1087 ?obj . ?ent wdt:P641 wd:Q718 } ORDER BY DESC(?obj)LIMIT 5 
Answer: Magnus Carlsen, Magnus Carlsen, Magnus Carlsen, Magnus Carlsen, Magnus Carlsen